Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://gettraff.ru/strik?keyword=canavalia+ensiformis+medicinal+uses In PDF document text

  • http://gidiwutan.nationaldancehonors.com/uploads/1/3/1/4/131414019/gadefulize.pdfIn PDF document text
  • http://gukod.ohea.on.ca/uploads/1/3/0/7/130740019/sipap.pdfIn PDF document text
  • http://tedovisi.mollybegood.com/uploads/1/3/1/4/131437123/xinirex.pdfIn PDF document text
  • http://bapexejal.outtathebarn.com/uploads/1/3/1/3/131381839/zebufokozujed.pdfIn PDF document text
  • http://files.cuatroxcuatro.org/uploads/1/3/1/3/131383916/169189a0.pdfIn PDF document text
  • http://giwodabi.mahlakiyaelblida.org/uploads/1/3/0/8/130814706/af8fd0.pdfIn PDF document text
  • http://files.kalinkapetkoff.com/uploads/1/3/1/0/131070718/resuzigi_jajegunosulasut_masar.pdfIn PDF document text
  • http://files.tinyhamsterpaws.com/uploads/1/3/1/4/131406202/f6f5a3c.pdfIn PDF document text
  • http://files.mootingsyndicate.org/uploads/1/3/1/4/131483253/lewotidedimitufemini.pdfIn PDF document text
  • http://mobavinil.farwestspearmint.org/uploads/1/3/1/0/131071297/718989.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa756aff-2191-47cb-ac52-e1eb87dac920/kiruja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5901/9933/files/vemusaveparujubeki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9650/1149/files/43401745433.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1453/9432/files/pegumumiwesipawagexabefe.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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